·可清洗性极强
·初阻力低
·阻燃性极佳
·有弹性
·经济实用
用途：主要过滤对象:≥5μm,粗尘过滤（适用于过滤器需要经常清洗的
地方），空气过滤系统预过滤
类型：过滤垫或过滤卷
滤料：密度逐级加高的合成纤维,迎风面为白色或绿色
可洗性：可反复清洗7-8次
EN 779 级别：G4
平均计重效率：91%（ASHRAE52.1-1992）
EUROVENT4/5级别：EU4
DIN 53438 阻燃标准：F1
终阻力：（建议）200Pa-（最大）250Pa
容尘量：620g/㎡
耐温：100℃
技术参数Specification
FRS-40 Coarse filter cotton
·Washable and reusable
·Low initial resistance
·Large dust holding capacity
·Flexible
·Economical and practical
Application:≥5μm, Filter dust , (used in the place where need washing and filtering), pre-filter through air filter program
Type: supply slices or rolls size
Media: synthetic fiber with gradual density
Washable: about 7-8 times
EN779 class: G4
Average arrestance:91%（ASHRAE52.1-1992）
EUROVENT4/5 class: EU4
DIN53438 Non-flammability Standard: F1 Final resistance: (suggest) 200PA-250Pa
Max. Dust holding capacity: 620g/㎡
Temp. resistance: 100℃
厚度Thickness | 宽度Height | 长度Length | 额定风速 Rated air belocity | 额定风量 eated air flow | 初阻力Inital pressure drop |
20mm±2 | 1m/2m | 20m | 1m/s | 3600m3/h | 38Pa |
